CompanyClimateHardware
Magrathea
Magrathea is an Oakland, California clean-tech company rebuilding American magnesium production. Using a next-generation electrolytic process, it makes magnesium metal from seawater and brines with near-zero carbon emissions, aiming to break the West's dependence on Chinese supply for a metal critical to aerospace, automotive, and defense.
2022Founded
OaklandHQ
$24MSeries A
magnesiumcritical-mineralsclean-techelectrolysisseawaterbrine